IN2004DE2273A, CSIR-CGCRI, India (2011) A process for manufacturing magneto-electric bismuth ferrite. 247636.

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Abstract

A process for manufacturing phase pure nanosized magneto-electric bismuth ferrite, involves synthesis of magneto-electric bismuth ferrite by soft chemical technique. The process is based on the formation of hetero-metallic poly-nuclear complexes where reacting metal atoms come in close proximity to provide nanosized bismuth ferrite at a low temperature. Bismuth ferrite synthesis through solutions of some specific salts leads to the formation of an amorphous structure at around 200°C which shows well-formed phase-pure (perovskite) nano-sized (15-25 nm) bismuth ferrite at 350-450°C. The process is a novel cost effective process and such nano-sized bismuth ferrite powder may have a potential application as a lead-free piezoelectric material for actuators, magneto-electric sensors and spintronics.

Item Type:	Patent
Uncontrolled Keywords:	manufacturing, magneto-electric, bismuth ferrite
Subjects:	Ceramic-Metal Systems
Divisions:	Sensor and Actuator
Depositing User:	Mrs Ruma Chakraborty
Date Deposited:	30 Sep 2016 07:06
Last Modified:	30 Sep 2016 07:06
URI:	http://cgcri.csircentral.net/id/eprint/3592

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